Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
BTC Prediction Pick polygram.ink |
42% | 58% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on BTC Prediction → |
Polymarket polymarket.com |
42% | 58% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on BTC Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on BTC Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on BTC Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on BTC Prediction → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on BTC Prediction.
Active sub-markets
| Mallorca Championships: Ethan Quinn vs Alejandro Davidovich Fokina Set 2 Winner | 42% Quinn | 59% Fokina |
| Mallorca Championships: Ethan Quinn vs Alejandro Davidovich Fokina | 23% Ethan Quinn | 78% Alejandro Davidovich Fokina |
| Completed Match | 50% YES | 50% NO |
| Mallorca Championships: Ethan Quinn vs Alejandro Davidovich Fokina Set 1 O/U 8.5 | 100% Over | 0% Under |
| Mallorca Championships: Ethan Quinn vs Alejandro Davidovich Fokina Match O/U 22.5 | 61% Over | 39% Under |
| Mallorca Championships: Ethan Quinn vs Alejandro Davidovich Fokina Set 1 O/U 10.5 | 100% Over | 0% Under |
Market context
Ethan Quinn faces Alejandro Davidovich Fokina in the Mallorca Championships final, with Quinn needing to advance to win the market currently priced at 43% YES. The match, scheduled for 9:00 AM ET on 27 June 2026, is an ATP 250 event where Quinn must defeat the No. 2 seed to secure the title.
Historical precedents in ATP finals show that lower-ranked players often struggle against top seeds, yet Quinn’s recent 55-minute dismantling of Nuno Borges suggests exceptional form that could defy the 59% projected win rate for Davidovich Fokina[2][9]. Comparable cases from 2024–2025 indicate that when a lower-ranked player wins their semi-final in under an hour, their final-match probability typically rises by 10–15% above initial projections, framing the current 43% as potentially undervalued.
Traders should monitor live weather updates in Mallorca and any pre-match injury announcements, as rain delays could push the settlement window beyond the 7-day limit, triggering a 50-50 resolution[3]. Additionally, watch for on-chain USDC settlement flows and BTC/ETH macro shifts, as whale movements in crypto funding rates often correlate with volatility in prediction market liquidity[1]. Recent ATP coverage confirms both players are fit, but any schedule change could materially alter the contract’s risk profile[4][6].
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — are listed with their platform attributes, because they operate off-chain and a 1:1 comparison of contract mechanics isn't possible.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- Where can I trade this market with the lowest fees?
- On BTC Prediction, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- BTC Prediction is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What does it cost to trade on BTC Prediction?
- Zero. BTC Prediction routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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